.loading{
    position: fixed;
    top: 0px;
    right: 250px;
    width: 300px;
    height: 400px;
    background: rgba(0,0,0,.5);
}
.title{
    display: flex;
    height: 50px;
    line-height: 50px;
    h2{
        width: 150px;
        background: #5391EA;
        text-align: center;
    }
    p{
        flex: 1;
        text-align: center;
        background: #ccc;
        color: red;
    }
}
.option{
    display: flex;
    flex-wrap: wrap;
    button{
        width: 30px;
        height: 30px;
        border: 1px solid;
        margin: 10px 10px;
        text-align: center;
        line-height: 30px;
        color: skyblue;
    }
}
.active{
    background: red;
}

